Leah is competing in the national diving championships.  She has a mass of 67 kg and leaves the springboard from a height of 2.9 meters above the water surface with a speed of 5.83 m/s in the upward direction. a) Determine Leah’s speed in m/s when she strikes the water.  b) Leah’s body plunges to a depth of 2.12 meters below the water surface before coming to a stop.  Determine the magnitude of the average force of water resistance in Newtons experienced by her body

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter7: Conservation Of Energy
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Leah is competing in the national diving championships.  She has a mass of 67 kg and leaves the springboard from a height of 2.9 meters above the water surface with a speed of 5.83 m/s in the upward direction.

a) Determine Leah’s speed in m/s when she strikes the water. 
b) Leah’s body plunges to a depth of 2.12 meters below the water surface before coming to a stop.  Determine the magnitude of the average force of water resistance in Newtons experienced by her body
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